A tale of three buses: DeviceNet, Profibus-DP, Foundation Fieldbus

A much-discussed topic in industrial automation is the move to open digital networks. This move marks a significant change in the architecture of process-control and manufacturing systems. As with any major technological change, much contention surrounds the choice of technologies, methods, and arch...

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Veröffentlicht in:	EDN 1997-10, Vol.42 (22), p.149-160
1. Verfasser:	Santori, Mike
Format:	Magazinearticle
Sprache:	eng
Schlagworte:	Automation Benchmarks Buses Buses (Computers) Communication Communications software Computer industry Computer networks Controllers Digital transmission Equipment and supplies Evaluation Manufacturers Manufacturing Peer to peer computing Pneumatics Process controls Quality standards Sensors Technological change
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Beschreibung
Zusammenfassung:	A much-discussed topic in industrial automation is the move to open digital networks. This move marks a significant change in the architecture of process-control and manufacturing systems. As with any major technological change, much contention surrounds the choice of technologies, methods, and architectures. Industrial-automation systems address such varied requirements that no one network can conceivably suit all of them. Three digital networks that target industrial-automation applications - DeviceNet, Profibus-DP, and Foundation Fieldbus - illustrate how different target applications result in different network architectures. They represent contrasting technologies and are arguably the subject of the most intense current discussions.
ISSN:	0012-7515 2163-4084